package com.tjnu.baiyi.dao;

import java.util.List;

import org.hibernate.LockOptions;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.ApplicationContext;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;

import com.tjnu.baiyi.entity.TbAlbumType;

/**
 * A data access object (DAO) providing persistence and search support for
 * TbAlbumType entities. Transaction control of the save(), update() and
 * delete() operations can directly support Spring container-managed
 * transactions or they can be augmented to handle user-managed Spring
 * transactions. Each of these methods provides additional information for how
 * to configure it for the desired type of transaction control.
 * 
 * @see com.tjnu.baiyi.dao.TbAlbumType
 * @author MyEclipse Persistence Tools
 */
@Repository("tbAlbumTypeDao")
@Transactional
public class TbAlbumTypeDAO {
	private static final Logger log = LoggerFactory
			.getLogger(TbAlbumTypeDAO.class);
	@Autowired
	@Qualifier("sessionFactory")
	private SessionFactory sessionFactory;

	public void setSessionFactory(SessionFactory sessionFactory) {
		this.sessionFactory = sessionFactory;
	}

	private Session getCurrentSession() {
		return sessionFactory.getCurrentSession();
	}

	protected void initDao() {
		// do nothing
	}

	public void save(TbAlbumType transientInstance) {
		log.debug("saving TbAlbumType instance");
		try {
			getCurrentSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(TbAlbumType persistentInstance) {
		log.debug("deleting TbAlbumType instance");
		try {
			getCurrentSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public TbAlbumType findById(java.lang.Integer id) {
		log.debug("getting TbAlbumType instance with id: " + id);
		try {
			TbAlbumType instance = (TbAlbumType) getCurrentSession().get(
					"com.tjnu.baiyi.dao.TbAlbumType", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(TbAlbumType instance) {
		log.debug("finding TbAlbumType instance by example");
		try {
			List results = getCurrentSession()
					.createCriteria("com.tjnu.baiyi.dao.TbAlbumType")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding TbAlbumType instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from TbAlbumType as model where model."
					+ propertyName + "= ?";
			Query queryObject = getCurrentSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List<TbAlbumType> findAll() {
		log.debug("finding all TbAlbumType instances");
		try {
			String queryString = "from TbAlbumType";
			Query queryObject = getCurrentSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	// 根据用户Id获取所有的相册类别
	public List<TbAlbumType> findAllByUserId(Integer userId) {
		try {
			String queryString = new StringBuffer()
					.append("select * from tb_album_type where Album_type_Id in (select distinct Album_type_Id from tb_album where User_id= ?)")
					.toString();
			Query queryObject = getCurrentSession().createSQLQuery(queryString)
					.addEntity(TbAlbumType.class).setInteger(0, userId);
			return queryObject.list();
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}
	}

	public TbAlbumType merge(TbAlbumType detachedInstance) {
		log.debug("merging TbAlbumType instance");
		try {
			TbAlbumType result = (TbAlbumType) getCurrentSession().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(TbAlbumType instance) {
		log.debug("attaching dirty TbAlbumType instance");
		try {
			getCurrentSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(TbAlbumType instance) {
		log.debug("attaching clean TbAlbumType instance");
		try {
			getCurrentSession().buildLockRequest(LockOptions.NONE).lock(
					instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static TbAlbumTypeDAO getFromApplicationContext(
			ApplicationContext ctx) {
		return (TbAlbumTypeDAO) ctx.getBean("TbAlbumTypeDAO");
	}
}